Boots – shoes – and leggings
Patent
1973-01-02
1978-05-02
Henon, Paul J.
Boots, shoes, and leggings
G06f 1300
Patent
active
040877949
ABSTRACT:
A machine for emulating the results of multi-level storage hierarchies by providing an associative storage directory for each level other than main storage. Address sequences to drive the directories are derived from a single level digital computer by recording sequences on tape or by dynamically monitoring computer operation. Individual addresses are skewed an appropriate number of bits depending upon the block size and the number of classes being emulated at any given level, so that those bits of the monitored address indicating segment name are presented to the directory for comparison with its contents in the appropriate class. Means are provided for transposing the segment and class names at higher levels to segment and class names at lower levels. Counting means are provided to record hits, misses and pushes at various levels in order to provide data for calculating average access times for the particular multi-level storage hierarchy being emulated.
REFERENCES:
patent: 3675215 (1972-07-01), Arnold et al.
Beausoleil William F.
Hennet Peter P.
Maling Klim
Powers Norman K.
Chapnick Melvin B.
Henon Paul J.
International Business Machines - Corporation
Rohrer Charles E.
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